Low Noise, High PSRR, Negative Output, 500mA LDO, SGM2209 Replace ADP7182.
SGM2209
SGM2209.pdf
SGM2209.pdfFEATURES
? Low Noise:
- 10.5μVRMS at VOUT = -1.2V
- 12μVRMS at VOUT = -2.5V
- 16μVRMS at VOUT = -5.0V
? Power Supply Rejection Ratio (PSRR):
-60dB at 10kHz at VOUT = -2.5V
? Positive or Negative Enable Logic
? Stable with Small 2.2μF Ceramic Output Capacitor
? Input Voltage Range: -2.7V to -24V
? Maximum Output Current: -500mA
? Output Voltage Accuracy: ±1% at +25℃
? Low Quiescent Current:
IGND = -1.2mA (TYP) with -500mA Load
? Low Shutdown Current: -1.1μA (TYP)
? Adjustable Output from -1.2V to -VIN + VDROP
? Current-Limit and Thermal Overload Protection
? Available in Green TDFN-2×2-6AL, TDFN-3×3-8L
and SOT-23-5 Packages
PIN CONFIGUTION
優(yōu)勢替代
FEATURES
? Low noise: 18 ?V rms
? Power supply rejection ratio (PSRR): 66 dBat 10kHz at VOUT=?3 V
? Positive or negative enable logic
? Stable with small 2.2 ?F ceramic output capacitor
? Input voltage range: ?2.7 V to ?28 V
? Maximum output current: ?200 mA
? Low dropout voltage: ?185 mV at ?200 mA load
? Initial accuracy: ±1%
? Accuracy over line, load, and temperature
+2% maximum/?3% minimum
? Low quiescent current, IGND = ?650 ?A with ?200 mA load
? Low shutdown current: ?2 ?A
? Adjustable output from ?1.22V to ?VIN + VDO
? Current-limit and thermal overload protection
? 8-lead LFCSP and 5-lead TSOT
PIN CONFIGUTION
